http://www.chromeexperiments.com/detail/sketchpad/
It MIGHT work in Safari and Firefox, some of the chrome experiments do.
From the Author:
Sketchpad is a drawing/painting application developed in pure HTML and Javascript.
Sketchpad includes a number of Drawing Tools including: Text, Shape, Spirograph, Brush, Calligraphy, Pencil, Paint-Bucket, and Stamp.
Sketchpad also includes a few generic Drawing Utilities including: Marquee, Crop, Eraser, and a HSL/RGBA Color-Picker.
Technology:
HTML and Javascript
Replies
Oh, and didn't find out how to disable the stroke, like you would in illustrator/flash if you just want a non-outlined shape.